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Portable Air Quality Sensor with GPS

Has anyone made a portable version with GPS of the luftdaten sensor?

I am interested in measuring air pollution travelling around cities in rush hour and quiet times to look at the difference in air quality. The route and associated data should be visible on a map.

Any information on achieving this welcome.

You can connect GPS via UART. Support for that is already in firmware.

Although SDS011 there are two main problems with mobile setup.

  1. SDS011 is a very delicate device and you should avoid vibrations
  2. SDS011 isn’t suitable to measure dust beieng exposed to external airflow (for example while car is moving). Difference in pressure may render measurement very inaccurate.

Thank you for your answers Irukard.

There have been trials documented using SDS011 but with User walking NOT using a car. They also commented on benefits of using a heated chamber and accuracy. Unit and battery were located in a backpack. Trials conducted in Newcastle upon Tyne UK.

Here a code: Ein Feinstaubsensor mit GPS Logger – Pierre-Jean Guéno
And the map: Dynamische Feinstaub Map – Pierre-Jean Guéno
It has to be updated tough (the SDS011 works exactly the same as the SDS021).

You can also check what Communautique does in Canada: GitHub - echofab-communautique/projet-canari: captation citoyenne de données sur la qualité de l’air (contact them for the english version). You can replace the bad PM Sensor they use with a SDS.

Some people think of doing a mobile SC Firmware but it would need to modify the databank completely. If you are motivated, you can clone everything from Github and build your own DB.

Feel free to contact me.

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Thank you for the information - appreciated!